CN204493819U - A kind of double-stage air energy-saving valve - Google Patents
A kind of double-stage air energy-saving valve Download PDFInfo
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- CN204493819U CN204493819U CN201520139270.0U CN201520139270U CN204493819U CN 204493819 U CN204493819 U CN 204493819U CN 201520139270 U CN201520139270 U CN 201520139270U CN 204493819 U CN204493819 U CN 204493819U
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Abstract
The utility model discloses a kind of double-stage air energy-saving valve, it comprises reduction valve main body (1), described reduction valve main body (1) offers primary air inlet (101) and main air outlet (102); One end of described reduction valve main body (1) offers first airtight cavity (2) of supplied gas decompression, described first airtight cavity suction port (203) is communicated with primary air inlet (101), first airtight cavity (2) is communicated with the second airtight cavity (3), the other end of described reduction valve main body (1) offers second airtight cavity (3) of supplied gas decompression, the second airtight cavity air outlet (304) is communicated with main air outlet (102).The utility model has the advantages that the secondary pressure completed in same reduction valve gas, such that the low-pressure gas impulse force that exports is little and flow velocity is little.
Description
Technical field
Field of the present utility model relates to a kind of double-stage air energy-saving valve.
Background technique
Gas pressure reducer is a kind of by regulating outlet pressure inlet pressure being reduced to a certain needs, and relies on the energy of gas itself, makes the valve that outlet pressure keeps stable automatically.Gas pressure reducer will realize the decompression to gas, needs to arrange a supplied gas decompression cavity in gas pressure reducer, and a decompression cavity, can only complete a gas decompression process.Existing gas pressure reducer is only provided with a supplied gas decompression cavity, mean that existing gas pressure reducer can only through once reducing pressure to the pressurized gas that suction port enters, namely from the pressurized gas that the suction port of gas pressure reducer enters, in decompression cavity after only once decompression, then direct from the outlet output gas pressure reducer.Its deficiency existed is: the low-pressure gas impulse force that the outlet on gas pressure reducer exports is excessive and flow velocity is too fast, causes the gas flow in the unit time excessive, causes the waste of gas.
Secondary pressure to be carried out to pressurized gas if run into, generally need serial connection two gas pressure reducers, could realize carrying out secondary pressure to pressurized gas, as the reduction valve of Authorization Notice No. disclosed by CN203847998U patent document, but so one, the situations such as the joint easily between two reduction valve leaks air, cause the waste of gas, there is potential safety hazard, be that gas completes twice decompression and needs to use two gas pressure reducers more in addition, the cost realized required for gas decompression is higher.
Model utility content
Technical problem to be solved in the utility model is, provides a kind of secondary pressure completed in same reduction valve gas, makes the double-stage air energy-saving valve that low-pressure gas impulse force is little and flow velocity is little exported.
For solving the problems of the technologies described above, the technological scheme that the utility model provides is: a kind of double-stage air energy-saving valve, and it comprises reduction valve main body, described reduction valve main body offers primary air inlet and main air outlet; Described reduction valve main body is provided with the pressure gauge of the primary air inlet air pressure for detecting reduction valve main body, and the left and right sides of reduction valve main body is respectively equipped with pressurized gas suction tude and low-pressure gas steam outlet pipe I; One end of described reduction valve main body offers the first airtight cavity of supplied gas decompression, the first described airtight cavity offers the first airtight cavity suction port and the first airtight cavity air outlet, described first airtight cavity suction port is communicated with primary air inlet, be provided with spool I in the first described airtight cavity, and the air outlet hole of spool I is communicated with the first airtight cavity air outlet; The other end of described reduction valve main body offers the second airtight cavity of supplied gas decompression, described second airtight cavity is provided with the second airtight cavity suction port and the second airtight cavity air outlet, described first airtight cavity air outlet is communicated with the second airtight cavity suction port, spool II is provided with in described second airtight cavity, and the air outlet hole of spool II is communicated with the second airtight cavity air outlet, described second airtight cavity air outlet is communicated with main air outlet.
After adopting above structure, the utility model compared with prior art, have the following advantages: the first airtight cavity and the second airtight cavity of being offered supplied gas decompression by the two ends of reduction valve main body respectively, by arranging the spool I being used for the gas of the first airtight cavity suction port being implemented to decompression in the first airtight cavity, first time decompression is implemented to pressurized gas, secondly by arranging the air outlet hole of spool I, first airtight cavity air outlet is communicated with the second airtight cavity suction port three, the gas of first time decompression has been made to be discharged in the second airtight cavity, the spool II implementing decompression for the gas entered the second airtight cavity suction port arranged in the second airtight cavity, implement again once to reduce pressure to gas, air outlet hole again by arranging spool II is communicated with the second airtight cavity air outlet, second airtight cavity air outlet is communicated with the main air outlet of reduction valve main body, the main air outlet of pressurized gas from reduction valve main body after secondary pressure that final realization enters from the primary air inlet of reduction valve main body is discharged, the final object just achieving secondary pressure in a reduction valve, ensure that the low-pressure gas impulse force exported is little little with flow velocity, more effective, utilize gas fully, reduce the waste of gas, turn avoid two valves in background technique simultaneously and be connected in series the potential safety hazard gas caused, the cost completed required for gas second depressurized is lower.
As improvement, described gas pressure reducer also includes relief valve and the heating equipment on double-stage air energy-saving valve, described reduction valve main body is provided with the cavity for being tightly connected with relief valve, the degree of depth of described cavity is greater than the height that relief valve and cavity are tightly connected, described cavity respectively with the first airtight cavity air outlet, being communicated with of the second airtight cavity suction port; Described heating equipment comprises housing, end cap, suction tude, the air outlet adapter be communicated with primary air inlet, body, diversion rod and heating stick; Wherein, described end cap is two and is fixedly connected on the two ends of housing respectively, and body is positioned at housing; Described suction tude is fixedly connected on one of them end cap, and one end of suction tude is stretched into, and housing is interior to be connected with one end of body; The end cap that described air outlet adapter is connected to the housing the other end is connected with the other end of body; Described diversion rod is threaded in the center of body, and this joint forms spiral air passage, and the two ends of installing the body central tapped hole of diversion rod communicate with suction tude and air outlet adapter respectively; Described heating stick is at least one, and is socketed in the body of diversion rod side.The object that employing designs like this is, the gas completing first time decompression in the first airtight cavity is by after the cavity that is provided with relief valve, again by entering into the second airtight cavity, be equivalent to us and Pressure testing has been carried out for first time post-decompression gas, if the threshold values of over insurance valve, just show that the spool I in the first airtight cavity damages; The situation of carrying out gas-heated is needed for before decompression, by arranging heating equipment, due to being threaded between diversion rod with body, and the internal thread on body and there is certain gap between the outside thread on diversion rod, pressurized gas are from the gap of screw thread, namely in spiral air passage, spirality is passed through, therefore, greatly increase heat tunnel, thus make gas obtain sufficient heating, and also make the heating of gas more balanced, thus better quality, gas that performance is more stable after ensureing follow-up decompression, can be obtained; Meanwhile, the structure of this spiral air passage, substantially reduces the volume of heating equipment itself, also reduce further cost of production;
As improvement, described first airtight cavity comprises air inlet cavity I and cavity I of giving vent to anger; Described first airtight cavity suction port is located on the bottom surface of air inlet cavity I, and described spool I is located in air inlet cavity I, and described first airtight cavity air outlet is located at gives vent to anger on the bottom surface of cavity I.The object adopting design so reasonably arranges the position of the first airtight cavity suction port, the position of the first airtight cavity air outlet, ensures that the gas that spool I realizes the first airtight cavity suction port enters implements decompression.
As improvement, described spool I comprises the spool main body I connected for air inlet cavity I inner wall sealing, and described spool main body I is provided with the first air outlet hole I; Described spool main body I is provided with the needle I being slidably matched to control the first air outlet hole I gas output size with the first air outlet hole I; The valve seat I be connected with needle I is provided with in the cavity of described spool main body I; Described spool I is also provided with second air outlet hole I through with the first air outlet hole I; Spring I is provided with between described valve seat I and the bottom surface of air inlet cavity I, filtering screen I is provided with between described spring I and the bottom surface of air inlet cavity I, one end and the valve seat I of described spring I offset, the inner bottom surface of the other end and filtering screen I offsets, and the outer surface of described filtering screen I is the rough surface of the impurity in energy adsorbed gas; The passage that supplied gas is passed through is left between the rough surface of described filtering screen I and the internal surface of air inlet cavity I.The object that employing designs like this is, the detail display structure of spool I, ensure that spool I pair of gas implements decompression, by arranging filtering screen I, impurity in gas is played a role in filtering, filtering screen I is set in air inlet cavity I, forms cyclone, play buffer gas, the object reaching even air inlet and give vent to anger.
As improvement, that end that described reduction valve main body is provided with the first airtight cavity is tightly connected for the first adjusting part of regulating spool I.The object that employing designs like this is, by the first adjusting part regulating spool I, and the atmospheric pressure value of the gas of discharging for regulating the first airtight cavity air outlet.
As improvement, described first adjusting part comprise be coaxially set stage clip I, pad I, one end close sleeve I, adjusting bolt I and block I; Described sleeve I is connected with reduction valve body seal, and is provided with in sleeve I and offsets with needle I, for sealing the gasket seal I of the first airtight cavity; One end of described adjusting bolt I and sleeve I screw-thread fit, the other end is fixedly connected with block I, described pad I and adjusting bolt I offset and are positioned at the below of adjusting bolt I, and described stage clip I to be located between gasket seal I and pad I and to offset with gasket seal I and pad I respectively.The object that employing designs like this is, the structure of detail display first adjusting part, by blocking a shot I, realize the deformation of stage clip I, utilize the deformation of stage clip I, realizing pad I displacement, make needle II occur sliding, in order to control the size of the gas flow of the air outlet of needle I, namely control the size of the atmospheric pressure value of the gas that the first airtight cavity is discharged.
As improvement, described second airtight cavity comprises air inlet cavity II and cavity II of giving vent to anger; Described second airtight cavity suction port is located on the bottom surface of air inlet cavity II, and described spool II is located in air inlet cavity II, and described second airtight cavity air outlet is located at gives vent to anger on the bottom surface of cavity II.The object adopting design so reasonably arranges the position of the second airtight cavity suction port, the position of the second airtight cavity air outlet, ensures that the gas that spool II realizes the second airtight cavity suction port enters implements decompression.
As improvement, described spool II comprises the spool main body II connected for air inlet cavity II inner wall sealing, and described spool main body II is provided with the first air outlet hole II; Described spool main body II is provided with the needle II being slidably matched to control the first air outlet hole II gas output size with the first air outlet hole II; The valve seat II be connected with needle II is provided with in the cavity of described spool main body II; Described spool II is also provided with second air outlet hole II through with the first air outlet hole II; Spring II is provided with between described valve seat II and the bottom surface of air inlet cavity II, filtering screen II is provided with between described spring II and the bottom surface of air inlet cavity II, one end and the valve seat II of described spring II offset, the inner bottom surface of the other end and filtering screen II offsets, and the outer surface of described filtering screen II is the rough surface of the impurity in energy adsorbed gas; The passage that supplied gas is passed through is left between the rough surface of described filtering screen II and the internal surface of air inlet cavity II.The object that employing designs like this is, the detail display structure of spool II, ensure that spool II pair of gas implements decompression, by arranging filtering screen II, impurity in gas is played a role in filtering, filtering screen II is set in air inlet cavity II, forms cyclone, play buffer gas, the object reaching even air inlet and give vent to anger.
As improvement, that end that described reduction valve main body is provided with the second airtight cavity is tightly connected for the second adjusting part of regulating spool II.The object that employing designs like this is, by the second adjusting part regulating spool II, and the atmospheric pressure value of the gas of discharging for regulating the second airtight cavity air outlet.
As improvement, described second adjusting part comprise be coaxially set stage clip II, pad II, one end close sleeve II, adjusting bolt II and block II; Described sleeve II is connected with reduction valve body seal, and is provided with in sleeve II and offsets with needle II, for sealing the gasket seal II of the second airtight cavity; One end of described adjusting bolt II and sleeve II screw-thread fit, the other end is fixedly connected with block II, described pad II and adjusting bolt II offset and are positioned at the below of adjusting bolt II, and described stage clip II to be located between gasket seal II and pad II and to offset with gasket seal II and pad II respectively.The object that employing designs like this is, the structure of detail display second adjusting part, by blocking a shot II, realize the deformation of stage clip II, utilize the deformation of stage clip II, realizing pad II displacement, make needle II occur sliding, in order to control the size of the gas flow of the air outlet of needle II, namely control the atmospheric pressure value of the gas that the second airtight cavity is discharged.
Accompanying drawing explanation
Fig. 1 is cross-sectional view of the present utility model.
Fig. 2 is the cross-sectional view of Fig. 1 " C-C ".
Fig. 3 is the cross-sectional view of Fig. 2 " D-D ".
Fig. 4 is the cross-sectional view of Fig. 1 " A-A ".
Fig. 5 is the cross-sectional view of Fig. 4 " B-B ".
Fig. 6 is the internal structure schematic diagram of heating equipment of the present utility model.
Fig. 7 is the overall structure schematic diagram of heating equipment of the present utility model.
Fig. 8 is the overall structure schematic diagram of low-pressure gas steam outlet pipe II of the present utility model.
Shown in figure: 1, reduction valve main body, 101, primary air inlet, 102, main air outlet, 2, first airtight cavity, 201, air inlet cavity I, 202, to give vent to anger cavity I, 203, first airtight cavity suction port, 204, first airtight cavity air outlet, 3, second airtight cavity, 301, air inlet cavity II, 302, to give vent to anger cavity II, 303, second airtight cavity suction port, 304, second airtight cavity air outlet, 4, relief valve, 5, cavity, 601, spool main body I, 602, needle I, 603, spring I, 604, filtering screen I, 605, valve seat I, 701, gasket seal I, 702, stage clip I, 703, pad I, 704, sleeve I, 705, adjusting bolt I, 706, block I, 801, spool main body II, 802, needle II, 803, spring II, 804, filtering screen II, 805, valve seat II, 901, gasket seal II, 902, stage clip II, 903, pad II, 904, sleeve II, 905, adjusting bolt II, 906, block II, 10, pressure gauge, 11, heating equipment, 1101, air outlet adapter, 1102, end cap, 1103, heating stick, 1104, body, 1105, housing, 1106, diversion rod, 1107, suction tude, 1108, locking nut, 1109, nut, 1110, to give vent to anger air-storage chamber, 1111, spiral air passage, 1112, splitter box, 1113, air inlet air-storage chamber, 1114, temp controller, 12, low-pressure gas steam outlet pipe I, 13, pressurized gas suction tude, 14, low-pressure gas steam outlet pipe II.
Embodiment
Below in conjunction with accompanying drawing, the utility model is described in further detail.
A kind of double-stage air energy-saving valve of the utility model, as shown in accompanying drawing 2, accompanying drawing 3, accompanying drawing 4 and accompanying drawing 8, it comprises reduction valve main body 1 and the pressure gauge 10 for suction port 101 air pressure that detects reduction valve main body 1, the left and right sides of reduction valve main body 1 be respectively equipped with pressurized gas suction tude 13 and with suspension ball flowmeter low-pressure gas steam outlet pipe I 12(according to actual needs, the low-pressure gas steam outlet pipe I 12 with suspension ball flowmeter can be designed to manometric low-pressure gas steam outlet pipe II 14 by we); Reduction valve main body 1 offers suction port 101 and air outlet 102, pressurized gas suction tude 13 is communicated with the suction port 101 of reduction valve main body 1, the air outlet 102 of reduction valve main body 1 is communicated with the low-pressure gas steam outlet pipe I 12 with suspension ball flowmeter, time for actual demand, low-pressure gas steam outlet pipe I 12 with suspension ball flowmeter can remove from reduction valve main body 1 by we, install additional with manometric low-pressure gas steam outlet pipe II 14, make the air outlet 102 of reduction valve main body 1 be communicated with manometric low-pressure gas steam outlet pipe II 14 simultaneously.
As shown in Figure 1, the flow direction of arrow logo gas in accompanying drawing 1, one end of reduction valve main body 1 offer along reduction valve main body 1 Axis Extension, first airtight cavity 2 of supplied gas decompression, the first described airtight cavity 2 offers the first airtight cavity suction port 203 and the first airtight cavity air outlet 204, described first airtight cavity suction port 203 is communicated with suction port 101, the gas be provided with in first airtight cavity 2 for entering the first airtight cavity suction port 203 implements the spool I of decompression, described first airtight cavity 2 comprises air inlet cavity I 201 and cavity I 202 of giving vent to anger, as shown in Figure 2, described first airtight cavity suction port 203 is located on the bottom surface of air inlet cavity I 201, and described spool I is located in air inlet cavity I 201, and described first airtight cavity air outlet 204 is located at gives vent to anger on the bottom surface of cavity I 202.
As shown in Figure 1, described spool I comprises the spool main body I 601 connected for air inlet cavity I 201 inner wall sealing, and described spool main body I 601 is provided with the first air outlet hole I 607; Described spool main body I 601 is provided with and is slidably matched with the first air outlet hole I 607, in order to control the needle I 602 of the first air outlet hole I 607 gas output size; The valve seat I 605 be connected with needle I 602 is provided with in the cavity of described spool main body I 601; Described spool I 601 is also provided with second air outlet hole I 606 through with the first air outlet hole I 607; Spring I 603 is provided with between described valve seat I 605 and the bottom surface of air inlet cavity I 201, filtering screen I 604 is provided with between described spring I 603 and the bottom surface of air inlet cavity I 201, one end and the valve seat 605 I of described spring 603 I offset, the inner bottom surface of the other end and filtering screen I 604 offsets, and the outer surface of described filtering screen I 604 is the rough surface of the impurity in energy adsorbed gas; The passage that supplied gas is passed through is left between the rough surface of described filtering screen I 604 and the internal surface of air inlet cavity I 201.
Air inlet cavity I 201 below described spool main body I 601 is truncated cone shape, and described filtering screen I 604 is the truncated cone shape cover bodies matched with the air inlet cavity I 201 below spool main body I 101; Described filtering screen I 604 is the truncated cone shape cover body of several metal granule hot pressing.
As shown in Figure 1, that end that reduction valve main body 1 is provided with the first airtight cavity 2 is sealedly connected with the first adjusting part for regulating spool I, and described first adjusting part comprises sleeve I 704, adjusting bolt I 705 and the block I 706 that stage clip I 702, pad I 703, one end of being coaxially set are closed; Described sleeve I 704 and reduction valve main body 1 are tightly connected, and are provided with in sleeve I 704 and offset with needle I 602, for sealing the gasket seal I 701 of the first airtight cavity 2; One end of described adjusting bolt I 705 and sleeve I 704 screw-thread fit, the other end is fixedly connected with block I 706, described pad I 703 and adjusting bolt I 705 offset and are positioned at the below of adjusting bolt I 705, and described stage clip I 702 to be located between gasket seal I 701 and pad I 703 and to offset with gasket seal I 701 and pad I 703 respectively.
As shown in Figure 1, the other end of reduction valve main body 1 offers along reduction valve main body 1 Axis Extension and the second airtight cavity 3 of supplied gas decompression, described second airtight cavity 3 is provided with the second airtight cavity suction port 303 and the second airtight cavity air outlet 304, described first airtight cavity air outlet 204 is communicated with the second airtight cavity suction port 303, the gas be provided with in second airtight cavity 3 for entering the second airtight cavity suction port 303 implements the spool II of decompression, and described second airtight cavity 3 comprises air inlet cavity II 301 and cavity II 302 of giving vent to anger; As shown in Figure 4, second airtight cavity suction port 303 is located on the bottom surface of air inlet cavity II 301, described spool II is located in air inlet cavity II 301, second airtight cavity air outlet 304 is located at gives vent to anger on the bottom surface of cavity II 302, air outlet hole, the first airtight cavity air outlet 204 of spool I are communicated with the second airtight cavity suction port 303 three, and the air outlet hole of spool II is communicated with the second airtight cavity air outlet 304.
As shown in Figure 3, the second airtight cavity air outlet 304 is communicated with the air outlet 102 of reduction valve main body 1.
1, as shown in Figure 1, described spool II comprises the spool main body II 801 connected for air inlet cavity II 301 inner wall sealing, and described spool main body II 801 is provided with the first air outlet hole II 807; Described spool main body II 801 is provided with and is slidably matched with the first air outlet hole II 807, in order to control the needle II 802 of the first air outlet hole II 807 gas output size; The valve seat II 805 be connected with needle II 802 is provided with in the cavity of described spool main body II 801; Described spool II 801 is also provided with second air outlet hole II 806 through with the first air outlet hole II 807; Spring II 803 is provided with between described valve seat II 805 and the bottom surface of air inlet cavity II 301, filtering screen II 804 is provided with between described spring II 803 and the bottom surface of air inlet cavity II 301, one end and the valve seat 805 II of described spring 803 II offset, the inner bottom surface of the other end and filtering screen II 804 offsets, and the outer surface of described filtering screen II 804 is the rough surface of the impurity in energy adsorbed gas; The passage that supplied gas is passed through is left between the rough surface of described filtering screen II 804 and the internal surface of air inlet cavity II 301.
Air inlet cavity II 301 below described spool main body II 801 is truncated cone shape, and described filtering screen II 804 is the truncated cone shape cover bodies matched with the air inlet cavity II 301 below spool main body II 801; Described filtering screen II 804 is the truncated cone shape cover body of several metal granule hot pressing.
That end that reduction valve main body 1 is provided with the second airtight cavity 3 is tightly connected for the second adjusting part of regulating spool II; Described second adjusting part comprise be coaxially set stage clip II 902, pad II 903, one end close sleeve II 904, adjusting bolt II 905 and block II 906; Described sleeve II 904 and reduction valve main body 1 are tightly connected, and are provided with in sleeve II 904 and offset with needle II 802, for sealing the gasket seal II 901 of the second airtight cavity 3; One end of described adjusting bolt II 905 and sleeve II 904 screw-thread fit, the other end is fixedly connected with block II 906, described pad II 903 and adjusting bolt II 905 offset and are positioned at the below of adjusting bolt II 905, and described stage clip II 902 to be located between gasket seal II 901 and pad II 903 and to offset with gasket seal II 901 and pad II 903 respectively.
As shown in Figure 1, described gas pressure reducer also includes relief valve 4, described reduction valve main body 1 is provided with the cavity 5 for being tightly connected with relief valve 4, the degree of depth of described cavity 5 is greater than the height that relief valve 4 is tightly connected with cavity 5, described cavity 5 respectively with being communicated with of the first airtight cavity air outlet 204, second airtight cavity suction port 303;
Shown in accompanying drawing 6,7, for the gas needing before decompression to heat, pressurized gas suction tude 13 in reduction valve main body 1 can remove by we, the heating equipment 11 installed additional on double-stage air energy-saving valve replaces, and described heating equipment 11 comprises housing 1105, end cap 1102, suction tude 1107, the air outlet adapter 1101 be communicated with primary air inlet 101, body 1104, diversion rod 1106 and heating stick 1103; Wherein, described end cap 1102 is two and is fixedly connected on the two ends of housing 1105 respectively, and body 1104 is positioned at housing 1105; Described suction tude 1107 is fixedly connected on one of them end cap 1102, and one end of suction tude 1107 is stretched into, and housing 1105 is interior to be connected with one end of body 1104; The end cap 1102 that described air outlet adapter 1101 is connected to housing 1105 the other end is connected with the other end of body 1104; Described diversion rod 1106 is threaded in the center of body 1104, and this joint forms spiral air passage 1111, and the two ends of installing body 1104 screwed hole of centre of diversion rod 1106 communicate with suction tude 1107 and air outlet adapter 1101 respectively; Described heating stick 1103 is at least one, and be socketed in the body 1104 of diversion rod 1106 side, between the end face of described suction tude 1107 and the end face of diversion rod 1106, there is air inlet air-storage chamber 1113, between the end face of air outlet adapter 1101 and the end face of diversion rod 1106, there is air-storage chamber 1110 of giving vent to anger; Described diversion rod 1106 has splitter box 1112 near the end face center, one end of suction tude 1107, and this splitter box 1112 is through along the radial direction of diversion rod 1106.Described suction tude 1107 one end be positioned at outside housing 1105 is provided with the nut 1109 for connecting gas cylinder, and is connected with locking nut 1108 in the joint with end cap 1102; Described body 1104 periphery wall is provided with temp controller 1114.
By arranging heating equipment, the benefit analysis brought is as follows: due to being threaded between diversion rod 11061106 with body 1104, and the internal thread on body 1104 and there is certain gap between the outside thread on diversion rod 11061106, pressurized gas are from the gap of screw thread, namely in spiral air passage 1111, spirality is passed through, therefore, greatly increase heat tunnel, thus make gas obtain sufficient heating, and also make the heating of gas more balanced, thus better quality, gas that performance is more stable after ensureing follow-up decompression, can be obtained; Meanwhile, the structure of this spiral air passage 1111, substantially reduces the volume of heating equipment itself, also reduce further cost of production;
2) whole spirality heating air flue is cingens by body 1104, and body 1104 is because the heating of heating stick and entirety are in heating, therefore, whole heating air flue is all in by the state that heats, make to be heated more fully by the high pressure air physical efficiency of this air flue, thus the heating effect of gas is better;
3) the direct heater body 1104 of heating stick, and the composition of body 1104 inherently spiral air passage 1111, heat transmission from heating stick to spiral air passage between 1111 more directly, fast, farthest heat is used for the gas in heating coil shape air flue 1111, therefore, heat transfer rate is fast, and heat transfer efficiency is high;
4) the air inlet air-storage chamber 1113 be provided with at diversion rod 1106 two ends and air-storage chamber 1110 of giving vent to anger, the gas making gas when entering heating air flue and enter decompression air flue is all cushioned, thus makes the circulation of gas more steady;
5) at the splitter box that diversion rod 1106 is provided with near one end of suction tude 1107, make the pressurized gas entered be cushioned further, high pressure air physical efficiency is more successfully entered in spirality heating air flue, avoids the phenomenon that air turbulence occurs;
6) nut that is provided with of the end of suction tude 1107, make the connection of this heating equipment and gas cylinder more fast, convenient, and dismounting during maintenance is also more quick, can increase work efficiency further; Further, because suction tude 1107 is longer, only lean on the connection of end and body 1104, its intensity is inadequate, and the utilization of locking nut makes suction tude 1107 more firmly link together with the housing of heating equipment, thus improves its stability;
7) temp controller 1114 is arranged on body 1104, is equivalent to the gas temperature that directly can monitor heating air flue, makes the information feed back of temp controller 1114 more true and direct.
Claims (10)
1. a double-stage air energy-saving valve, it comprises reduction valve main body (1), described reduction valve main body (1) offers primary air inlet (101) and main air outlet (102); Described reduction valve main body (1) is provided with the pressure gauge (10) of primary air inlet (101) air pressure for detecting reduction valve main body (1), and the left and right sides of reduction valve main body (1) is respectively equipped with pressurized gas suction tude (13) and low-pressure gas steam outlet pipe I (12); It is characterized in that: the first airtight cavity (2) one end of described reduction valve main body (1) offering supplied gas decompression, described the first airtight cavity (2) offers the first airtight cavity suction port (203) and the first airtight cavity air outlet (204), described first airtight cavity suction port (203) is communicated with primary air inlet (101), be provided with spool I in described the first airtight cavity (2), and the air outlet hole of spool I is communicated with the first airtight cavity air outlet (204); The other end of described reduction valve main body (1) offers second airtight cavity (3) of supplied gas decompression, described second airtight cavity (3) is provided with the second airtight cavity suction port (303) and the second airtight cavity air outlet (304), described first airtight cavity air outlet (204) is communicated with the second airtight cavity suction port (303), spool II is provided with in described second airtight cavity (3), and the air outlet hole of spool II is communicated with the second airtight cavity air outlet (304), described second airtight cavity air outlet (304) is communicated with main air outlet (102).
2. a kind of double-stage air energy-saving valve according to claim 1, it is characterized in that: described gas pressure reducer also includes relief valve (4) and the heating equipment on double-stage air energy-saving valve (11), described reduction valve main body (1) is provided with the cavity (5) for being tightly connected with relief valve (4), the degree of depth of described cavity (5) is greater than the height that relief valve (4) is tightly connected with cavity (5), described cavity (5) respectively with the first airtight cavity air outlet (204), being communicated with of second airtight cavity suction port (303); Described heating equipment (11) comprises housing (1105), end cap (1102), suction tude (1107), the air outlet adapter (1101) be communicated with primary air inlet (101), body (1104), diversion rod (1106) and heating stick (1103); Wherein, described end cap (1102) is two and is fixedly connected on the two ends of housing (1105) respectively, and body (1104) is positioned at housing (1105); Described suction tude (1107) is fixedly connected on one of them end cap (1102), and one end of suction tude (1107) is stretched into, and housing (1105) is interior to be connected with one end of body (1104); The end cap (1102) that described air outlet adapter (1101) is connected to housing (1105) the other end is gone up and is connected with the other end of body (1104); Described diversion rod (1106) is threaded in the center of body (1104), this joint forms spiral air passage (1111), and the two ends of installing body (1104) screwed hole of centre of diversion rod (1106) communicate with suction tude (1107) and air outlet adapter (1101) respectively; Described heating stick (1103) is at least one, and is socketed in the body (1104) of diversion rod (1106) side.
3. a kind of double-stage air energy-saving valve according to claim 1, is characterized in that: described first airtight cavity (2) comprises air inlet cavity I (201) and cavity I (202) of giving vent to anger; Described first airtight cavity suction port (203) is located on the bottom surface of air inlet cavity I (201), and described spool I is located in air inlet cavity I (201), and described first airtight cavity air outlet (204) is located at gives vent to anger on the bottom surface of cavity I (202).
4. a kind of double-stage air energy-saving valve according to claim 3, it is characterized in that: described spool I comprises the spool main body I (601) connected for air inlet cavity I (201) inner wall sealing, and described spool main body I (601) is provided with the first air outlet hole I (607); Described spool main body I (601) is provided with the needle I (602) being slidably matched to control the first air outlet hole I (607) gas output size with the first air outlet hole I (607); The valve seat I (605) be connected with needle I (602) is provided with in the cavity of described spool main body I (601); Described spool I (601) is also provided with second air outlet hole I (606) through with the first air outlet hole I (607); Spring I (603) is provided with between described valve seat I (605) and the bottom surface of air inlet cavity I (201), filtering screen I (604) is provided with between described spring I (603) and the bottom surface of air inlet cavity I (201), one end and the valve seat (605) I of described spring (603) I offset, the inner bottom surface of the other end and filtering screen I (604) offsets, and the outer surface of described filtering screen I (604) is the rough surface of the impurity in energy adsorbed gas; The passage that supplied gas is passed through is left between the rough surface of described filtering screen I (604) and the internal surface of air inlet cavity I (201).
5. a kind of double-stage air energy-saving valve according to claim 4, is characterized in that: that end that described reduction valve main body (1) is provided with the first airtight cavity (2) is tightly connected for the first adjusting part of regulating spool I.
6. a kind of double-stage air energy-saving valve according to claim 5, is characterized in that: described first adjusting part comprises the stage clip I (702) of coaxial line, pad I (703), one end are closed sleeve I (704), adjusting bolt I (705) and block a shot I (706); Described sleeve I (704) and reduction valve main body (1) are tightly connected, and are provided with in sleeve I (704) and offset with needle I (602), for sealing the gasket seal I (701) of the first airtight cavity (2); One end of described adjusting bolt I (705) and sleeve I (704) screw-thread fit, the other end is fixedly connected with block I (706), described pad I (703) and adjusting bolt I (705) offset and are positioned at the below of adjusting bolt I (705), and described stage clip I (702) to be located between gasket seal I (701) and pad I (703) and to offset with gasket seal I (701) and pad I (703) respectively.
7. a kind of double-stage air energy-saving valve according to claim 1, is characterized in that: described second airtight cavity (3) comprises air inlet cavity II (301) and cavity II (302) of giving vent to anger; Described second airtight cavity suction port (303) is located on the bottom surface of air inlet cavity II (301), and described spool II is located in air inlet cavity II (301), and described second airtight cavity air outlet (304) is located at gives vent to anger on the bottom surface of cavity II (302).
8. a kind of double-stage air energy-saving valve according to claim 7, it is characterized in that: described spool II comprises the spool main body II (801) connected for air inlet cavity II (301) inner wall sealing, and described spool main body II (801) is provided with the first air outlet hole II (807); Described spool main body II (801) is provided with the needle II (802) being slidably matched to control the first air outlet hole II (807) gas output size with the first air outlet hole II (807); The valve seat II (805) be connected with needle II (802) is provided with in the cavity of described spool main body II (801); Described spool II (801) is also provided with second air outlet hole II (806) through with the first air outlet hole II (807); Spring II (803) is provided with between described valve seat II (805) and the bottom surface of air inlet cavity II (301), filtering screen II (804) is provided with between described spring II (803) and the bottom surface of air inlet cavity II (301), one end and the valve seat (805) II of described spring (803) II offset, the inner bottom surface of the other end and filtering screen II (804) offsets, and the outer surface of described filtering screen II (804) is the rough surface of the impurity in energy adsorbed gas; The passage that supplied gas is passed through is left between the rough surface of described filtering screen II (804) and the internal surface of air inlet cavity II (301).
9. a kind of double-stage air energy-saving valve according to claim 8, is characterized in that: that end that described reduction valve main body (1) is provided with the second airtight cavity (3) is tightly connected for the second adjusting part of regulating spool II.
10. a kind of double-stage air energy-saving valve according to claim 9, is characterized in that: described second adjusting part comprises the stage clip II (902) of coaxial line, pad II (903), one end are closed sleeve II (904), adjusting bolt II (905) and block a shot II (906); Described sleeve II (904) and reduction valve main body (1) are tightly connected, and are provided with in sleeve II (904) and offset with needle II (802), for sealing the gasket seal II (901) of the second airtight cavity (3); One end of described adjusting bolt II (905) and sleeve II (904) screw-thread fit, the other end is fixedly connected with block II (906), described pad II (903) and adjusting bolt II (905) offset and are positioned at the below of adjusting bolt II (905), and described stage clip II (902) to be located between gasket seal II (901) and pad II (903) and to offset with gasket seal II (901) and pad II (903) respectively.
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN104676062A (en) * | 2015-03-12 | 2015-06-03 | 宁波东钱湖旅游度假区圣莱思机电有限公司 | Double-stage gas energy-saving valve |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104676062A (en) * | 2015-03-12 | 2015-06-03 | 宁波东钱湖旅游度假区圣莱思机电有限公司 | Double-stage gas energy-saving valve |
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